(1) The title of S. Croce in Gerusalemme was erected ca. 600 by Pope St. Gregory I to replace that of S. Nicomede a Via Nomentana, which he suppressed. This is its first known cardinal. The title still exists in the basilica founded by Empress Helena, mother of Emperor Constantine.(2) This is according to "Essai de liste générale des cardinaux. Les cardinaux des 10 premiers siècles". Annuaire Pontifical Catholique 1926, p. 158, no. 3. Chacón, Vitæ, et res gestæ Pontificum Romanorum : et S.R.E. Cardinalium, I, col. 724, no. 3; and Moroni, Dizionario di erudizione storico-ecclesiastica da S. Pietro sino ai nostri giorni, XXXVIII, 84, indicate that he was a signatory of a spurious constitution of Pope Leo VIII issued in 963.